package cn.itcast.mp.handler;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

@Component
public class MyMetaObjectHandler implements MetaObjectHandler {


    @Override
    public void insertFill(MetaObject metaObject) {
        Object time = getFieldValByName("time", metaObject);
        if (time==null){
            setFieldValByName("time", LocalDateTime.now(),metaObject);
        }
    }

    @Override
    public void updateFill(MetaObject metaObject) {

    }
}